ColorlibHQ/AdminLTE v4.0.0-rc1

AdminLTE v4.0.0-rc1

on GitHub

AdminLTE v4.0.0-rc1 - Major Modernization Release

This release represents a complete modernization of the AdminLTE codebase, bringing it up to current standards with the latest tooling, dependencies, and best practices.

Key Highlights

• Zero Security Vulnerabilities - All dependencies updated and vulnerabilities resolved
• Modern Tooling - ESLint v9, Astro 5.x, latest Stylelint and build tools
• Better Developer Experience - New npm start command, improved scripts, cleaner builds
• Latest Dependencies - Bootstrap 5.3.7, Node.js ES modules, 50+ package updates
• Code Quality - Zero linting errors, removed technical debt, standardized formatting
• Future-Ready - Modern configuration patterns, optimal bundle sizes, enhanced maintainability

Quick Start

# Install dependencies
npm install

# Start development server
npm start

# Build for production  
npm run production

Major Changes

Infrastructure & Tooling

• Upgraded to ES Modules with "type": "module" in package.json
• Complete ESLint v9 migration with modern flat configuration format
• Enhanced Astro configuration with static site generation
• Optimized build scripts and developer experience

Dependencies Updated

• astro: 4.15.12 → 5.10.0
• eslint: 8.57.1 → 9.29.0
• bootstrap: 5.3.3 → 5.3.7
• sass: 1.78.0 → 1.89.2
• typescript: 5.6.2 → 5.8.3
• Plus 50+ other packages updated to latest versions

Security & Quality

• Resolved all npm security vulnerabilities (0 remaining)
• Updated browserslist database for modern browser compatibility
• Fixed all SASS deprecation warnings
• Zero linting errors across all file types

Migration Guide

For Users:

• No breaking changes in compiled CSS/JS output
• All existing HTML templates remain fully compatible
• CDN links and package imports work as before

For Developers:

• New npm start command for development
• ESLint configuration migrated to eslint.config.js
• Build process requires Node.js ES modules support

Compatibility

• Bootstrap: 5.3.7 (latest)
• Node.js: ES modules support required
• Browsers: All modern browsers supported
• RTL: Full right-to-left language support maintained

See CHANGELOG.md for complete technical details.

Download: Use npm: npm install admin-lte@4.0.0-rc1 or download the source code below.